Volume 16, Number 11—November 2010
Letter
Two Clusters of HIV-1 Infection, Rural Idaho, USA, 2008
Randall J. Nett
, Jared L. Bartschi, Giovanina M. Ellis, David M. Hachey, and Lisa M. Frenkel
, Jared L. Bartschi, Giovanina M. Ellis, David M. Hachey, and Lisa M. FrenkelTable
Sex and risk factors among patients epidemiologically linked to 2 clusters of HIV-1, southeastern Idaho, USA, 2008*
| Case ID | Sex | Risk factors | Cluster† | Phylogenetic group |
|---|---|---|---|---|
| 1 | F | WSMW/SIDU | A | 1 |
| 2 | F | WSMW/SIDU | A | 1 |
| 3 | M | MSMW/IDU | A | 1 |
| 4‡ | M | MSW | A | ND |
| 5 | M | MSM | B | 2 |
| 6‡ | M | MSM | B | ND |
| 7‡ | M | MSM | B | ND |
| 8‡ | M | MSM | B | ND |
| 9 | M | MSM | B | 2 |
| 10§ | M | MSM | B | ND |
| 11 | M | MSM | B | 2 |
| 12‡ | M | MSM | B | ND |
| 13 | M | MSM | B | 2 |
| 14 | F | WSM | A | 1 |
| 15 | M | MSM | B | 2 |
| 16¶ | M | MSM | ND | 1 |
*ID, identification; WSMW, women who have sex with men and women; SIDU, sex with injection drug users; MSMW, men who have sex with men and women; IDU, injection drug user; MSW, men who have sex with women; ND, not determined; MSM, men who have sex with men; WSM, women who have sex with men.
†Cluster A associated with injection drug use; cluster B associated with MSM.
‡HIV-1 sequence was not available for molecular analysis.
§HIV-1 sequence was similar to controls but not to sequences from either cluster A or B.
¶Case with no epidemiologic link to cluster A or cluster B.
